ArticleBreast cancer research : BCR2024
Intraoperative radiotherapy versus whole breast radiotherapy in early-stage breast cancer: a retrospective outcome analysis based on ASTRO guidelines on PBI.
Article in Breast cancer research : BCR, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Patient selection for accelerated partial breast irradiation (APBI) after breast-conserving surgery: Updated evidence-based recommendations of the Groupe Européen de Curiethérapie-European Society for Therapeutic Radiology and Oncology (GEC-ESTRO) Breast Cancer Working Group.Clinical and translational radiation oncology · 2026Review
- Article
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5 authors.
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Abstract
backgroundIntraoperative radiotherapy (IORT) is a convenient treatment techniques for patients with early-stage breast cancer. We aimed to compare the outcome of IORT to that of whole-breast external beam radiotherapy (EBRT) in highly selected breast cancer patients based on the 2023 American Society for Radiation Oncology (ASTRO) Clinical Practice Guideline for Partial Breast Irradiation (PBI). PATIENTS AND
methodsWe reviewed patients who underwent breast-conserving surgery (BCS) and received either IORT or EBRT for early-stage breast cancer between 2014 and 2019. The outcomes of these patients were analyzed and compared across different risk stratifications according to the 2023 ASTRO Clinical Practice Guideline for PBI, which categorized the patients into "recommended", "conditionally recommended", or "conditionally not recommended" groups.
resultsA total of 732 patients were enrolled with a mean follow-up time of 5.1 years. Among patients in the recommended group, the locoregional recurrence rates were 2.0% for IORT and 2.3% for EBRT (p = 0.978). Conversely, in the conditionally recommended or conditionally not recommended groups, IORT exhibited significantly higher locoregional recurrence rates compared to EBRT: in the conditionally recommended group, IORT had a recurrence rate of 11.1% versus 3.0% for EBRT (p = 0.044), and in the conditionally not recommended group, IORT had a rate of 13.8% versus 2.5% for EBRT (p = 0.010).
conclusionsThe locoregional recurrence rate in the IORT group was comparable to that of the EBRT group for patients recommended for PBI. However, for patients categorized as conditionally recommended or conditionally not recommended for PBI, the IORT group showed a higher locoregional recurrence rate, highlighting the need for careful patient selection.
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